diff --git a/src/components/tall/task/Conclusion.vue b/src/components/tall/task/Conclusion.vue
index 5e2961b..2fe98c9 100644
--- a/src/components/tall/task/Conclusion.vue
+++ b/src/components/tall/task/Conclusion.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/ContractManagement.vue b/src/components/tall/task/ContractManagement.vue
index 8133e3d..163e8cc 100644
--- a/src/components/tall/task/ContractManagement.vue
+++ b/src/components/tall/task/ContractManagement.vue
@@ -137,7 +137,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -182,8 +182,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -192,7 +194,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/ExperimentalCode.vue b/src/components/tall/task/ExperimentalCode.vue
index ef32157..c0c936b 100644
--- a/src/components/tall/task/ExperimentalCode.vue
+++ b/src/components/tall/task/ExperimentalCode.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/ExperimentalData.vue b/src/components/tall/task/ExperimentalData.vue
index ef32157..c0c936b 100644
--- a/src/components/tall/task/ExperimentalData.vue
+++ b/src/components/tall/task/ExperimentalData.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/ExperimentalResult.vue b/src/components/tall/task/ExperimentalResult.vue
index ef32157..c0c936b 100644
--- a/src/components/tall/task/ExperimentalResult.vue
+++ b/src/components/tall/task/ExperimentalResult.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/InterimInspection.vue b/src/components/tall/task/InterimInspection.vue
index 1f5634f..e118a42 100644
--- a/src/components/tall/task/InterimInspection.vue
+++ b/src/components/tall/task/InterimInspection.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/LabReport.vue b/src/components/tall/task/LabReport.vue
index ef32157..c0c936b 100644
--- a/src/components/tall/task/LabReport.vue
+++ b/src/components/tall/task/LabReport.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/Procedure.vue b/src/components/tall/task/Procedure.vue
index ef32157..c0c936b 100644
--- a/src/components/tall/task/Procedure.vue
+++ b/src/components/tall/task/Procedure.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/PublishPatent.vue b/src/components/tall/task/PublishPatent.vue
index f9cb325..6744a36 100644
--- a/src/components/tall/task/PublishPatent.vue
+++ b/src/components/tall/task/PublishPatent.vue
@@ -183,7 +183,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -228,8 +228,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -238,7 +240,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/PublishThesis.vue b/src/components/tall/task/PublishThesis.vue
index fd9a021..c4b669c 100644
--- a/src/components/tall/task/PublishThesis.vue
+++ b/src/components/tall/task/PublishThesis.vue
@@ -153,7 +153,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -198,8 +198,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -208,7 +210,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/PublishWork.vue b/src/components/tall/task/PublishWork.vue
index fd9a021..c4b669c 100644
--- a/src/components/tall/task/PublishWork.vue
+++ b/src/components/tall/task/PublishWork.vue
@@ -153,7 +153,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -198,8 +198,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -208,7 +210,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/Result.vue b/src/components/tall/task/Result.vue
index 91fdfa6..ec3a2f9 100644
--- a/src/components/tall/task/Result.vue
+++ b/src/components/tall/task/Result.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/SubConclusion.vue b/src/components/tall/task/SubConclusion.vue
index 8acf179..4d20d66 100644
--- a/src/components/tall/task/SubConclusion.vue
+++ b/src/components/tall/task/SubConclusion.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/SubInterimInspection.vue b/src/components/tall/task/SubInterimInspection.vue
index 1f5634f..e118a42 100644
--- a/src/components/tall/task/SubInterimInspection.vue
+++ b/src/components/tall/task/SubInterimInspection.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }
diff --git a/src/components/tall/task/SubResult.vue b/src/components/tall/task/SubResult.vue
index 91fdfa6..ec3a2f9 100644
--- a/src/components/tall/task/SubResult.vue
+++ b/src/components/tall/task/SubResult.vue
@@ -138,7 +138,7 @@ const onSubmit = async () => {
       obj.answerList.push(item.con);
     }
 
-    if (item.type === 6) {
+    if (item.type === 6 && item.date) {
       obj.answerList.push(dayjs(item.date).format('x'));
     }
 
@@ -183,8 +183,10 @@ async function getDataByCode() {
       item.date = null;
 
       if (item.answerList.length > 0) {
-        item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
-        item.date = dayjs(item.date, 'YYYY-MM-DD');
+        if (item.answerList[0].answer) {
+          item.date = dayjs(Number(item.answerList[0].answer)).format('YYYY-MM-DD');
+          item.date = dayjs(item.date, 'YYYY-MM-DD');
+        }
       }
     }
 
@@ -193,7 +195,7 @@ async function getDataByCode() {
 
       if (item.answerList.length > 0) {
         item.answerList.forEach(val => {
-          val.answer = JSON.parse(val.answer);
+          if (val.answer) val.answer = JSON.parse(val.answer);
           item.files.push(val.answer);
         });
       }